Triethylene glycol

• Formula: C₆H₁₄O₄
• Molecular weight: 150.1730
• IUPAC Standard InChI: InChI=1S/C6H14O4/c7-1-3-9-5-6-10-4-2-8/h7-8H,1-6H2 Copy

  
• IUPAC Standard InChIKey: ZIBGPFATKBEMQZ-UHFFFAOYSA-N Copy
• CAS Registry Number: 112-27-6
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: Ethanol, 2,2'-[1,2-ethanediylbis(oxy)]bis-; Ethanol, 2,2'-(ethylenedioxy)di-; Glycol bis(hydroxyethyl) ether; Trigen; Triglycol; TEG; 1,2-Bis(2-Hydroxyethoxy)ethane; 2,2'-Ethylenedioxydiethanol; 3,6-Dioxaoctane-1,8-diol; Di-β-hydroxyethoxyethane; 2,2'-Ethylenedioxyethanol; Ethylene glycol dihydroxydiethyl ether; Trigenos; 2,2'-(1,2-Ethanediylbis(oxy))bisethanol; 2,2'-Ethylenedioxybis(ethanol); Ethylene glycol-bis-(2-hydroxyethyl ether); Triethylenglykol; Trigol; NSC 60758
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• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Henry's Law data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas Chromatography
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• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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Condensed phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Henry's Law data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Rolf Sander

Henry's Law constant (water solution)

k_H(T) = k°_H exp(d(ln(k_H))/d(1/T) ((1/T) - 1/(298.15 K)))
k°_H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(k_H))/d(1/T) = Temperature dependence constant (K)

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• LIQUID (NEAT); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm^-1 resolution

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

• gas

Mass spectrum (electron ionization)

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Henry's Law data, IR Spectrum, Mass spectrum (electron ionization), Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Moureu and Dode, 1937
Moureu, H.; Dode, M., Chaleurs de formation de l'oxyde d'ethylene, de l'ethanediol et de quelques homologues, Bull. Soc. Chim. France, 1937, 4, 637-647. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Zaripov, 1982
Zaripov, Z.I., Experimental study of the isobaric heat capacity of liquid organic compounds with molecular weights of up to 4000 a.e.m., 1982, Teplomassoobmen Teplofiz. [all data]

Stephens and Tamplin, 1979
Stephens, M.A.; Tamplin, W.S., Saturated liquid specific heats of ethylene glycol homologues, J. Chem. Eng. Data, 1979, 24, 81-82. [all data]

Gallaugher and Hibbert, 1936
Gallaugher, A.F.; Hibbert, H., Studies on reactions relating to carbohydrates and polysaccharides: xlix molecular weight, molar refraction, freezing point and other properties of the polyethylene glycols and their derivatives, J. Am. Chem. Soc., 1936, 58, 813. [all data]

Nikitin, Pavlov, et al., 1995
Nikitin, E.D.; Pavlov, P.A.; Popov, A.P., (Gas + liquid) critical temperatures and pressures of polyethene glycols for HOCH2CH2OH to H(OCH2CH2)v.apprxeq.13.2OH, J. Chem. Thermodyn., 1995, 27, 43-51. [all data]

Stephens and Tamplin, 1979, 2
Stephens, M.A.; Tamplin, W.S., Saturated Liquid SPecific Heats of Ethylene GLycol Homologues, J. Chem. Eng. Data, 1979, 24, 81-2. [all data]

Wise, Puck, et al., 1950
Wise, Henry.; Puck, Theodore T.; Failey, Crawford F., The Studies in Vapor--Liquid Equilibria. II. The Binary System Triethylene Glycol--Water., J. Phys. Chem., 1950, 54, 5, 734-741, https://doi.org/10.1021/j150479a021 . [all data]

Steele, Chirico, et al., 2002
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A., Measurements of Vapor Pressure, Heat Capacity, and Density along the Saturation Line for γ-Caprolactam, Pyrazine, 1,2-Propanediol, Triethylene Glycol, Phenyl Acetylene, and Diphenyl Acetylene, J. Chem. Eng. Data, 2002, 47, 4, 689-699, https://doi.org/10.1021/je010085z . [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Ishiguro and Matsumoto, 1955
Ishiguro, T.; Matsumoto, K., Yakugaku Zasshi, 1955, 75, 1414. [all data]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

McFeely and Somorjai, 1972
McFeely, F.R.; Somorjai, G.A., Vaporization kinetics of hydrogen-bonded liquids, J. Phys. Chem., 1972, 76, 6, 914-918, https://doi.org/10.1021/j100650a022 . [all data]

Gallaugher and Hibbert, 1937
Gallaugher, A.F.; Hibbert, H., Studies on reactions relating to carbohydrates and polysaccharides. LV. Vapor pressures of the polyethylene glycols and their derivatives, J. Am. Chem. Soc., 1937, 59, 2521-2525. [all data]

Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P., Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, Henry's Law data, IR Spectrum, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  Cp,liquid	Constant pressure heat capacity of liquid
  Pc	Critical pressure
  Tboil	Boiling point
  Tc	Critical temperature
  Tfus	Fusion (melting) point
  d(ln(kH))/d(1/T)	Temperature dependence parameter for Henry's Law constant
  k°H	Henry's Law constant at 298.15K
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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